Running command: translateModel(Buildings.Utilities.IO.Python27.Examples.KalmanFilter,tolerance=1e-06,outputFormat="empty",numberOfIntervals=5000,variableFilter="",fileNamePrefix="Buildings_5.0.1_Buildings.Utilities.IO.Python27.Examples.KalmanFilter")
Notification: Performance of loadModel(Buildings): time 3.516/3.516, allocations: 403.3 MB / 415.4 MB, free: 12.95 MB / 330.7 MB
Notification: Performance of FrontEnd - loaded program: time 3.439e-05/3.444e-05, allocations: 7.938 kB / 0.499 GB, free: 13.45 MB / 426.7 MB
Notification: Performance of FrontEnd - Absyn->SCode: time 0.48/0.4801, allocations: 92.69 MB / 0.5895 GB, free: 14.49 MB / 490.7 MB
Notification: Performance of FrontEnd - scodeFlatten: time 0.1886/0.6687, allocations: 123.5 MB / 0.7101 GB, free: 2.852 MB / 0.5886 GB
Notification: Performance of FrontEnd - mkProgramGraph: time 0.0002566/0.669, allocations: 87.94 kB / 0.7102 GB, free: 2.766 MB / 0.5886 GB
Notification: Performance of FrontEnd - DAE generated: time 0.01715/0.6862, allocations: 3.886 MB / 0.714 GB, free: 14.84 MB / 0.6042 GB
Notification: Performance of FrontEnd: time 1.907e-06/0.6863, allocations: 0 / 0.714 GB, free: 14.84 MB / 0.6042 GB
Notification: Performance of Transformations before backend: time 2.048e-05/0.6863, allocations: 4 kB / 0.714 GB, free: 14.84 MB / 0.6042 GB
Notification: Model statistics after passing the front-end and creating the data structures used by the back-end:
 * Number of equations: 19
 * Number of variables: 19
Notification: Performance of Generate backend data structure: time 0.0008079/0.6871, allocations: 454 kB / 0.7144 GB, free: 14.35 MB / 0.6042 GB
Notification: Performance of prepare preOptimizeDAE: time 4.266e-05/0.6872, allocations: 12.03 kB / 0.7144 GB, free: 14.34 MB / 0.6042 GB
Notification: Performance of preOpt normalInlineFunction (simulation): time 6.467e-05/0.6872, allocations: 15.86 kB / 0.7145 GB, free: 14.32 MB / 0.6042 GB
Notification: Performance of preOpt evaluateParameters (simulation): time 0.0002987/0.6876, allocations: 210.7 kB / 0.7147 GB, free: 14.07 MB / 0.6042 GB
Notification: Performance of preOpt simplifyIfEquations (simulation): time 3.217e-05/0.6876, allocations: 19.92 kB / 0.7147 GB, free: 14.05 MB / 0.6042 GB
Notification: Performance of preOpt expandDerOperator (simulation): time 5.251e-05/0.6877, allocations: 12 kB / 0.7147 GB, free: 14.04 MB / 0.6042 GB
Notification: Performance of preOpt clockPartitioning (simulation): time 0.0003113/0.688, allocations: 127.3 kB / 0.7148 GB, free: 13.91 MB / 0.6042 GB
Notification: Performance of preOpt findStateOrder (simulation): time 1.428e-05/0.688, allocations: 0 / 0.7148 GB, free: 13.91 MB / 0.6042 GB
Notification: Performance of preOpt replaceEdgeChange (simulation): time 2.722e-05/0.6881, allocations: 11.92 kB / 0.7148 GB, free: 13.89 MB / 0.6042 GB
Notification: Performance of preOpt inlineArrayEqn (simulation): time 7.235e-06/0.6881, allocations: 7.984 kB / 0.7148 GB, free: 13.89 MB / 0.6042 GB
Notification: Performance of preOpt removeEqualRHS (simulation): time 0.0001786/0.6883, allocations: 59.98 kB / 0.7149 GB, free: 13.83 MB / 0.6042 GB
Notification: Performance of preOpt removeSimpleEquations (simulation) <failed>: time 0.0001568/0.6884, allocations: 138.7 kB / 0.715 GB, free: 13.67 MB / 0.6042 GB
Error: pre-optimization module removeSimpleEquations (simulation) failed.